A recent theory proposed by a NASA scientist suggests that extraterrestrial civilizations may not possess the wildly advanced technology that many UFO enthusiasts expect. This perspective, which ...

Everyone loves a good alien invasion story, preferably one with city-sized ships and physics-defying tech. There's just one big problem with that. The Milky Way is estimated to contain 100 to 400 ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...